Commercial Door Operators


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  1. Seco-Larm SM-4201-LQ NO Track-Mount Overhead Door Magnetic Contact

    Track-Mount NO (normally open with no magnet present) Overhead Magnetic Door Contact. Rugged aluminum housing with 36" leads enclosed in armored cable. 3" Gap.
    secolarm:sm4201lq
    $18.30
  2. Seco-Larm SM-226R-3Q NO/NC Overhead Door Magnetic Contact

    Overhead Door-Mount N.O. and N.C. Magnetic Contact. Magnet enclosed in round bracket, contact in die-cast aluminum housing with pre-wired 24" leads, flexible stainless-steel cable.

    secolarm:sm226r3q
    $19.71
  3. Seco-Larm SM-226RQ NO Overhead Door Magnetic Contact

    Seco-Larm SM-226RQ Enforcer Overhead Door-Mount Magnetic Contact, NO (normally open with no magnet present)
    secolarm:sm226rq
    $14.99
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